If you're using the API, you construct the "memories" as well, including the "system" prompt, even in the playground. (When you click the "(+) Add message", th

If you're using the API, you construct the "memories" as well, including the "system" prompt, even in the playground. (When you click the "(+) Add message", the new one defaults to USER, but you can click on it to change it to ASSISTANT, then fill it in with whatever you want.) I used the "Complete" UI (from the Playground) for a bit before the "Chat" interface was available; I don't really think there's anything you couldn't do in the "Complete" UI that you couldn't also do in the "Chat" UI.